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Finding the Fourth Proportional to 14,873,409, 20,525,304.74 and 8,434,881

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Solution

The fourth proportional to 14,873,409, 20,525,304.74 and 8,434,881 is: 11,640,135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873,409 : 20,525,304.74 = 8,434,881 : x
  2. Step 2: Convert to fraction form
    14,873,409/20,525,304.74 = 8,434,881/x
  3. Step 3: Cross multiply
    14,873,409x = 20,525,304.74 × 8,434,881
  4. Step 4: Simplify right side
    14,873,409x = 173,128,502,970,635.94
  5. Step 5: Solve for x
    x = 173,128,502,970,635.94/14,873,409
  6. Step 6: Final answer
    x = 11,640,135.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.